RockShox ZEB Ultimate B1ZEB is built for the most extreme terrainsteep double black runs, freeride features, and even the pedal back up if thats in the cards. LinearXL air spring delivers a consistent and predictable ride feel backed by Adjustable Bottom Out (ABO) for end stroke control ButterWagonTech ensures a constant supply of oil to the bushings, reducing friction and maintaining smooth performance throughout the entire service interval Charger 3. 2 damper with new